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39C3: Power Cycles

Hardware

Full playlist: Video / Audio

The 39th Chaos Communication Congress (39C3) takes place in Hamburg on 27-30 Dec 2025, and is the 2025 edition of the annual four-day conference on technology, society and utopia organized by the Chaos Computer Club (CCC) and volunteers. Congress offers lectures and workshops and various events on a multitude of topics including (but not limited to) information technology and generally a critical-creative attitude towards technology and the discussion about the effects of technological advances on society.
https://events.ccc.de/congress/2025/
Hacking washing machines
56 min

Hacking washing machines

Asahi Linux - Porting Linux to Apple Silicon
37 min

Asahi Linux - Porting Linux to Apple Silicon

In-house electronics manufacturing from scratch: How hard can it be?
39 min

In-house electronics manufacturing from scratch: How hard can it be?

Pwn2Roll: Who Needs a 595€ Remote When You Have wheelchair.py?
56 min

Pwn2Roll: Who Needs a 595€ Remote When You Have wheelchair.py?

From Silicon to Darude Sand-storm: breaking famous synthesizer DSPs
39 min

From Silicon to Darude Sand-storm: breaking famous synthesizer DSPs

Building hardware - easier than ever - harder than it should be
35 min

Building hardware - easier than ever - harder than it should be

Excuse me, what precise time is It?
56 min

Excuse me, what precise time is It?

CPU Entwicklung in Factorio
38 min

CPU Entwicklung in Factorio

Vom D-Flip-Flop bis zum eigenen Betriebssystem

Xous: A Pure-Rust Rethink of the Embedded Operating System
39 min

Xous: A Pure-Rust Rethink of the Embedded Operating System

Cracking open what makes Apple's Low-Latency WiFi so fast
39 min

Cracking open what makes Apple's Low-Latency WiFi so fast

Breaking architecture barriers: Running x86 games and apps on ARM
38 min

Breaking architecture barriers: Running x86 games and apps on ARM

Liberating Bluetooth on the ESP32
33 min

Liberating Bluetooth on the ESP32

FeTAp 611 unplugged
34 min

FeTAp 611 unplugged

Taking a rotary dial phone to the mobile age

Design for 3D-Printing
37 min

Design for 3D-Printing

Prometheus: Reverse-Engineering Overwatch
37 min

Prometheus: Reverse-Engineering Overwatch

Wie wir alte Flipperautomaten am Leben erhalten
38 min

Wie wir alte Flipperautomaten am Leben erhalten

ISDN + POTS Telephony at Congress and Camp
35 min

ISDN + POTS Telephony at Congress and Camp

Reverse engineering the Pixel TitanM2 firmware
37 min

Reverse engineering the Pixel TitanM2 firmware

Celestial navigation with very little math
36 min

Celestial navigation with very little math

Chaospager
38 min

Chaospager

How to construct an Open Pager System for c3

Amateurfunk im All – Kontakt mit Fram2
39 min

Amateurfunk im All – Kontakt mit Fram2

Textiles 101: Fast Fiber Transform
41 min

Textiles 101: Fast Fiber Transform

Laser Beams & Light Streams: Letting Hackers Go Pew Pew, Building Affordable Light-Based Hardware Security Tooling
41 min

Laser Beams & Light Streams: Letting Hackers Go Pew Pew, Building Affordable Light-Based…

Human microservices at the Dutch Railways: modern architecture, ancient hardware?
60 min

Human microservices at the Dutch Railways: modern architecture, ancient hardware?

Battling Obsolescence – Keeping an 80s laser tag system alive
42 min

Battling Obsolescence – Keeping an 80s laser tag system alive

When 8 Bits is Overkill: Making Blinkenlights with a 1-bit CPU
31 min

When 8 Bits is Overkill: Making Blinkenlights with a 1-bit CPU

Lessons from Building an Open-Architecture Secure Element
42 min

Lessons from Building an Open-Architecture Secure Element

BE Modded: Exploring and hacking the Vital Bracelet ecosystem
34 min

BE Modded: Exploring and hacking the Vital Bracelet ecosystem